Subtract 50/49 from 30/35
1st number: 30/35, 2nd number: 1 1/49
30/35 - 50/49 is -8/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 35 × 7 = 245,
30/35 = 30 × 7/35 × 7 = 210/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
50/49 = 50 × 5/49 × 5 = 250/245 - Subtract the two like fractions:
210/245 - 250/245 = 210 - 250/245 = -40/245 - After reducing the fraction, the answer is -8/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/35-50/49 30/70-50/49 30/35-50/98 90/35-50/49